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Lilit [14]
3 years ago
14

Solve 3x+4y=175x+4y=27​

Mathematics
2 answers:
Marta_Voda [28]3 years ago
6 0

Answer:

(5x+4y)-(3x+4y)=27-17

2x=10

x=10÷2

=5

Marianna [84]3 years ago
5 0

Answer:

x = 5, y = 1/2

Step-by-step explanation:

-3x - 4y = -17   Use the elimination method by adding the 2 equations together

5x+4y=27​

2x = 10   ===> x = 5

3(5) + 4y = 17,

4y = 2    ===> y = 1/2

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